When one of the two pilots goes to check on an opened door, Charles Hasso (Marc Krah) claims he tried but failed to prevent the other passenger from jumping to his death.

Upon landing, Hasso is questioned by Major Rues (George Givot) of the Panamanian secret police, but is released as there were no witnesses.

Hammer receives an urgent summons from oil executive Walter Gredson (Jerome Cowan), so he arranges to meet Hasso later at his hotel room.

Gredson hires Hammer to find Hasso and the map, which shows the locations of unregistered oil wells in Peru that his company has bought.

Molinar takes Pop's suggestion to hide out for a while, only to find that the driver has taken him straight to the back door of police headquarters.

Pop drives him back to his office, where he finds Molinar's thugs being taken into custody, an oil company executive (Jason Robards, Sr.) is waiting, and Maxine is standing by.

Rackin had previously written two films for Pat O'Brien at RKO, Bombadier and Marine Raiders, and he was attached to the project from the start.

[7] The Los Angeles Times said "someone took pains to make it hang together pretty well" and that O'Brien "plays his part with casual skill".